WCFS-FM

WCFS-FM (105.9 MHz) – branded Newsradio 105.9 WBBM – is a commercial all-newsradio station licensed to the Chicago suburb of Elmwood Park, Illinois. Owned by Audacy, Inc., the station services the Chicago metropolitan area, operating as a full-time simulcast of WBBM (780 AM).

WCFS-FM has an effective radiated power (ERP) of 4,100 watts. The transmitter is atop the Willis Tower (formerly the Sears Tower). The studios and newsroom are located at Two Prudential Plaza in the Loop. In addition to a standard analog transmission, WCFS-FM broadcasts over two HD Radiosubchannels, and is available online via Audacy.